The PC390LC-11 hydraulic excavator from Komatsu America has the same upper structure and improvements introduced with the PC360LC-11, but with a larger undercarriage and greater drawbar pull. The roller frames on the PC390LC-11 have a 6 percent wider track, 8 percent longer track on the ground and larger final drives for 13.5 percent greater draw pull, providing up to 18 percent greater over-the-side lift capacity than the PC360LC-11.“Where the 390 really shines is with the larger undercarriage,” says Kurt Moncini, product manager, Komatsu America. “With varying ground conditions or inability to get really close to the edge of the trench,
